CN101998399A - Method and system for quickly switching terminal - Google Patents
Method and system for quickly switching terminal Download PDFInfo
- Publication number
- CN101998399A CN101998399A CN2009101627368A CN200910162736A CN101998399A CN 101998399 A CN101998399 A CN 101998399A CN 2009101627368 A CN2009101627368 A CN 2009101627368A CN 200910162736 A CN200910162736 A CN 200910162736A CN 101998399 A CN101998399 A CN 101998399A
- Authority
- CN
- China
- Prior art keywords
- access network
- terminal
- wifi access
- wifi
- wimax
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/041—Key generation or derivation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
- H04W12/0431—Key distribution or pre-distribution; Key agreement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
- H04W12/0433—Key management protocols
Abstract
The invention discloses a method for quickly switching a terminal. The method comprises the following steps of: before a terminal executes the switching from a WiMAX (World Interoperability for Microwave Access) access network to a WiFi (Wireless Fidelity) access network, executing prospective registration to the WiFi access network from the WiMAX access network by the terminal, generating paired primary master key security association (PMKSA) information and caching; when the terminal initiates the switching to the WiFi access network, providing a PMKID (Primary Master Key Identification) in the cached PMKSA information for the WiFi access network; and after the WiFi access network acquires corresponding PMKSA information cached locally, skipping an extensible authentication protocol (EAP) authentication process by the WiFi access network according to the PMKID and directly executing four hand shaking processes to finish switching the terminal to the WiFi access network. The invention also discloses a system for quickly switching the terminal, which realizes the quick switching of the terminal from the WiMAX access network to the WiFi access network.
Description
Technical field
The present invention relates to the interworking technology of World Interoperability for Microwave Access, WiMax (WiMAX) network and adopting wireless fidelity technology (WiFi) network, relate in particular to a kind of realization terminal fast switching method and system.
Background technology
World Interoperability for Microwave Access, WiMax (WiMAX, World Interoperability for MicrowaveAccess) is based on Institute of Electrical and Electric Engineers (IEEE, Institute of Electrical andElectronics Engineers) wireless access wide band technology of 802.16 standards can effectively utilize the limited wireless frequency spectrum resource that bigger bandwidth of air-interface (the highest 70Mbps data transmission capabilities) and wider transmission coverage (the transmission of wireless signals distance can reach 60 kilometers farthest) are provided.Adopting wireless fidelity technology (WiFi, Wireless Fidelity) network also is the wireless network that higher bandwidth can be provided, and disposes in a large number in office, family and hotels and other places at present.But WiFi is as a kind of short distance wireless technical, and its network coverage less (about about 100 meters) generally can only replenishing as other wireless technology networking.But the WiFi network has advantages such as the networking expense is low, easy deployment, and if WiMAX builds up the network that covers the whole nation, its cost of investment will very high, so WiFi and WiMAX network will coexist in the period of quite growing.
WiMAX is as a kind of wireless metropolitan area network technology, and it can be connected to the Internet with the WiFi focus.The intercommunication of these two kinds of networks of WiMAX and WiFi will help two network advantages complementations, and expand the coverage area, make the mobile subscriber in different Radio Access Network environment neutralizes widely geographic range, two characteristics that network is different separately can be utilized, consistent Operational Visit can be obtained again.Fig. 1 is the intercommunication Organization Chart of WiMAX network and WiFi network in the prior art, comprises following network element:
IWF node (IWK, Interworking Function): be responsible for terminal and initially insert the WiMAX network by the WiFi network, and coordinate terminal from the WiMAX Access Network to the switching the WiFi Access Network.
WiFi signaling forwarding capability (WiFi SFF, WiFi Signal Forward Function) entity: be responsible for terminal from the WiMAX Access Network when the WiFi Access Network switches, be established to the IP tunnel of terminal by the WiMAX network, and transmit the pre-registration signaling of terminal by the WiFi access of IP tunnel transmission.
WiMAX signaling forwarding capability (WiMAX SFF, WiMAX Signal Forward Function) entity: be responsible for terminal and carry out the pre-registration process that WiMAX inserts by the WiFi network, and terminal is carried out dummy source base station (BS, the Base Station) function that switches to the WiMAX network.
Wireless access node (AP, Access Point): being positioned at the WiFi Access Network, is a hub that possesses the wireless signal transmission function, and it can be many radio networking devices the dialogue tandem is provided, and is equivalent to the hub or switch in the cable network.
Access controller (AC, Access Controller): be positioned at the WiFi Access Network, between WiFi and Internet, play gateway function, will converge, insert Internet from the data of different AP.AC can come to finish for the user functions such as access authentication and authentication by operator logo as client.
Framework shown in Figure 1 also comprises authentication and authorization charging (AAA, Authentication Authorisation andAccounting) server, DHCP (DHCP, Dynamic Host ConfigurationProtocol Server) server and home agent (HA, Home Agent)/regional mobile anchor point (LMA, Local Mobility Anchor) etc.
Usually, when networking, initial access of WiFi network or switching need carry out association, Extensible Authentication Protocol (EAP, Extensible Authentication Protocol) processes such as authentication, 4-Way Handshake and DHCP, these processes will need the time of 1 second even several seconds.Yet for the business to delay sensitive such as Media Stream (150 milliseconds), the networking telephone (VoIP, Voice over Internet Protocol) (50 milliseconds), this bigger time delay might cause service disconnection, and have a strong impact on user's impression.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of realization terminal fast switching method and system, to realize the quick switching of terminal from the WiMAX Access Network to the WiFi Access Network.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of realization terminal fast switching method, this method comprises:
Terminal is before carrying out from World Interoperability for Microwave Access, WiMax WiMAX Access Network to the switching of adopting wireless fidelity technology WiFi Access Network, carry out the pre-registration of WiFi Access Network by described WiMAX Access Network, generate pairwise master key Security Association PMKSA information and buffer memory;
Described terminal is when being initiated to the switching of WiFi Access Network, and PMKID offers described WiFi Access Network with the sign of the pairwise master key in the PMKSA information that generates in the pre-registration process;
Described WiFi Access Network is according to the PMKID that receives, and after getting access to the corresponding PMKSA information of self buffer memory, skips Extensible Authentication Protocol EAP authentication process, directly carries out the 4-Way Handshake process, finishes the switching of described terminal to the WiFi Access Network.
Carry out in described terminal before the pre-registration of WiFi Access Network, this method further comprises: described terminal is initiated the access procedure to the WiMAX Access Network, and successfully is attached to described WiMAX Access Network.
Described terminal is carried out the pre-registration of WiFi Access Network by the WiMAX Access Network, is specially:
WiFi signaling forwarding capability SFF entity in described terminal and the WiFi Access Network is set up IP tunnel, and is initiated to the EAP authentication process of WiFi Access Network by described IP tunnel;
Described WiFi SFF entity is forwarded to the EAP authentication message of terminal the authentication and authorization charging aaa server of IWF node IWK;
The aaa server of described IWK is carried out the EAP authentication to terminal, and the master session key MSK that authentication is produced sends to WiFi Access Network and terminal;
Described terminal and WiFi Access Network generate corresponding PMKSA information and buffer memory according to the MSK that receives.
Described PMKSA information comprises: the authorization parameter and the local configuration parameter of PMKID, authentication device media access control MAC address, pairwise master key PMK, lifetime, authentication and management agreement AKMP parameter, authentication server regulation.
This method further comprises: described terminal is when being initiated to the switching of WiFi Access Network, and carry out association process between the described WiFi Access Network, and carry the PMKID that generates in the pre-registration process by RSN RSN message and send to described WiFi Access Network.
The present invention also provides a kind of system that realizes that terminal is switched fast, and this system comprises: terminal, WiMAX Access Network and WiFi Access Network; Wherein,
Described terminal was used for before the switching of carrying out from the WiMAX Access Network to the WiFi Access Network, carried out the pre-registration of WiFi Access Network by described WiMAX Access Network, generated PMKSA information and buffer memory; When being initiated to the switching of WiFi Access Network, the PMKID in the PMKSA information that generates in the pre-registration process is offered described WiFi Access Network;
Described WiFi Access Network is used to carry out the pre-registration process to described terminal, generates described PMKSA information and buffer memory; And the PMKID that provides when initiating to switch according to described terminal, after getting access to the corresponding PMKSA information of self buffer memory, skip the EAP authentication process, directly carry out the 4-Way Handshake process, finish of the switching of described terminal to the WiFi Access Network;
Described WiMAX Access Network is used to terminal to provide service to the pre-registration of WiFi Access Network.
Described terminal is further used for, and before the pre-registration of carrying out the WiFi Access Network, initiates the access procedure to described WiMAX Access Network;
Described WiMAX Access Network is further used for, and carries out the access of described terminal, finishes the success of described terminal and adheres to.
Described terminal and WiFi Access Network are further used for, and the MSK that produces according to authentication in the pre-registration process generates corresponding PMKSA information and buffer memory.
Described PMKSA information comprises: the authorization parameter and the local configuration parameter of PMKID, authentication device media access control MAC address, PMK, lifetime, authentication and management agreement AKMP parameter, authentication server regulation.
Described terminal is further used for, and when being initiated to the switching of WiFi Access Network, and carries out association process between the described WiFi Access Network, and carries the PMKID that generates in the pre-registration process by RSN message and send to described WiFi Access Network.
A kind of realization terminal fast switching method provided by the present invention and system, by terminal from the WiMAX Access Network before the WiFi Access Network switches, be accomplished to the pre-registration process of WiFi Access Network earlier by the WiMAX Access Network, promptly finish the EAP authentication process to generate PMKSA information.Terminal only need be finished the 4-Way Handshake process and can realize quick switching with the IP address that obtains reservation under the WiFi Access Network when switching like this, has reduced handover delay.
Description of drawings
Fig. 1 is the intercommunication Organization Chart of WiMAX network and WiFi network in the prior art;
Fig. 2 is a kind of realization terminal of the present invention fast switching method flow chart;
Fig. 3 is the flow chart when terminal is by WiMAX Access Network initial network entry in the embodiment of the invention;
Fig. 4 switches to the flow chart of WiFi Access Network from the WiMAX Access Network for terminal in the embodiment of the invention;
Fig. 5 realizes the composition structural representation of the system that terminal is switched fast for the present invention is a kind of.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
A kind of realization terminal fast switching method provided by the present invention as shown in Figure 2, mainly may further comprise the steps:
The PMKSA information that generates comprises: PMKID, authentication device medium access control (MAC, MediaAccess Control) authorization parameter of address, PMK, lifetime, authentication and IKMP (AKMP, Authentication and Key Management Protocol) parameter, authentication server regulation and local configuration parameter etc.
In addition, it is pointed out that terminal of the present invention is meant single wireless transmission terminal of supporting WiMAX and two kinds of patterns of WiFi.
Wherein, before terminal was carried out the pre-registration of WiFi Access Network by the WiMAX Access Network, terminal at first will successfully be attached to the WiMAX Access Network.Flow chart when terminal is passed through WiMAX Access Network initial network entry as shown in Figure 3, mainly may further comprise the steps:
Step 301, terminal are connected to WiMAX BS, and are established to the connection of WiMAX network.
Step 302, terminal are carried out EAP authentication and the licensing process of WiMAX connection service network (CSN, Connectivity Service Network) by the PKMv2 exchange.
Step 303, terminal are carried out the registration of 802.16e network by WiMAX BS.
Step 304～305, the Access Service Network Gateway among the WiMAX CSN (ASN-GW, Access ServiceNetwork Gateway) are initiated to the data channel registration of WiMAX BS; WiMAX BS is accomplished to the foundation of terminal initial Business Stream and/or pre-provisioned service flow.
Step 306, terminal send dhcp discover message to ASN-GW, are used to find that Dynamic Host Configuration Protocol server is to carry out the host ip configuration.
Step 307, the Mobile Access Gateway among the ASN-GW (MAG, Mobile Access Gateway) triggers proxy-mobile IP (PMIP, Proxy Mobile IP) registration process by agent binding update messages.The network access Identifier that carries in the agent binding update messages (NAI, Network Access Identifier) need be consistent with the NAI that uses in the EAP access authentication process.
Step 308 after HA/LMA receives agent binding update messages, is terminal to apply IP address, and sends renewal HA/LMA address message to aaa server, to be retrieved as the IP address of terminal to apply.
Step 309, the ASN-GW of HA/LMA in WiMAX CSN sends proxy binding acknowledgment messages, carries the IP address into terminal to apply in this message.
Step 310 is set up the PMIP tunnel between HA/LMA and the ASN-GW.
Step 311, the DHCP proxy among the ASN-GW returns DHCP to terminal and gives information, and carries the IP address into terminal to apply in this message.
Step 312, terminal sends the DHCP request message to ASN-GW, carries the IP address of receiving from DHCP gives information.
Step 313, ASN-GW returns the DHCP acknowledge message to terminal, confirms the use of this IP address and carries other configuration parameters (as renewed treaty cycle of IP address, renew a contract time and rebind time etc. again) and give terminal.
At this moment, connect between terminal and the WiMAX network and set up successfully, can be by the up/downlink data of WiMAX Access Network transmission.
According to changing method of the present invention, the flow chart of terminal when the WiMAX Access Network switches to the WiFi Access Network as shown in Figure 4, mainly may further comprise the steps:
Step 401, terminal are attached to the WiMAX Access Network, and and the WiMAX network between by WiMAX Access Network transmission data (up/downlink transfer).
Step 402, the WiFi session is set up in the terminal decision, carries out the pre-registration of WiFi network.
Step 403, terminal are found the IP address of WiFi SFF entity by DHCP or DNS process.
Step 404 is set up IP tunnel between terminal and the WiFi SFF entity.
Step 405, terminal by and WiFi SFF entity between the IP tunnel set up send based on Extensible Authentication Protocol (EAPOL-, EAP Over LAN) the beginning message trigger of local area network (LAN) EAP authentication process to target WiFi Access Network (AN, Access Network).
Step 406, terminal proceed to the EAP authentication process of target WiFi AN by IP tunnel.End points place in the tunnel, WiFi SFF entity is transmitted the authentication device of EAP authentication message to WiFi AN; The authentication device of WiFi AN is transmitted the aaa server of EAP authentication message to IWK; The aaa server GC group connector of IWK carries out the EAP authentication.In authentication process, terminal and aaa server produce master session key (MSK, Master Session Key), and aaa server passes to MSK the authentication device among the WiFi AN in EAP authentication success Access-Accept message.
Step 407, after access authentication is finished, terminal and WiFi AN generate and buffer memory PMK Security Association (PMKSA according to MSK, PMK Security Association) information, this information comprise information such as the authorization parameter of PMKID, authentication device MAC Address, PMK, lifetime, AKMP parameter, authentication server regulation or local configuration.
Step 408, terminal discharges IP tunnel behind the pre-registration that is accomplished to target WiFi Access Network, but needs to continue the PMKSA information that buffer memory generates.
Step 409, the terminal decision switches to the WiFi Access Network.
Step 410 is carried out association process between terminal and the WiFi Access Network, wherein the PMKID in the PMKSA information that carried terminal and WiFi Access Network are set up in the pre-registration process in RSN (RSN, the Robust Security Network) information.
Step 411, the WiFi Access Network gets access to the PMKSA information of self buffer memory according to the PMKID of terminal indication, then skip the EAP authentication process,, and in first message of 4-Way Handshake, return PMKID in the PMKSA information of selection directly with terminal execution 4-Way Handshake process.Terminal and WiFi Access Network are derived pair temporal key (PTK, Pairwise Transient Key) according to PMK and are generated group's temporary key (GTK, Group Temporal Key) etc.
Step 412, the 802.1x port is separated obturation.
Step 413, terminal send dhcp discover message and are used to find Dynamic Host Configuration Protocol server to carry out the host ip configuration to WiFi AN, and WiFi AN transmits dhcp discover message and gives IWK.
Step 414, the MAG among the IWK triggers the PMIP registration process by sending agent binding update messages to CSN/HA.The NAI that carries in this message need be consistent with the NAI that uses in the EAP access authentication process.
Step 415 after CSN/HA receives agent binding update messages, connects the IP address assignment of applying for when inserting according to user NAI with WiMAX and gives terminal.CSN/HA sends proxy binding acknowledgment messages to ASN-GW, the identical IP address of application when carried terminal WiMAX connects.
Step 416 is set up the PMIP tunnel between CSN/HA and the IWK.
Step 417, the Dynamic Host Configuration Protocol server among the IWK returns DHCP to terminal and gives information, and carries the IP address into terminal to apply in the message.
Step 418, terminal sends the DHCP request message to IWK, carries the IP address that obtains from DHCP gives information in the message.
Step 419, IWK returns the DHCP acknowledge message to terminal, confirms the use of this IP address and carries other configuration parameters to terminal.
Step 420, the terminal successful switch also is connected to the WiFi Access Network, can be by the up/downlink data of WiFi Access Network transmission.
Step 421, the connection and the resource of release WiMAX network behind handover success.
For realizing above-mentioned terminal fast switching method, the present invention also provides a kind of terminal system of switching fast, and as shown in Figure 5, this system comprises: terminal 10, WiMAX Access Network 20 and WiFi Access Network 30.Terminal 10 is used for carrying out before the switching of WiMAX Access Network 20 to WiFi Access Networks 30, carries out the pre-registration of WiFi Access Network 30 by WiMAX Access Network 20, generates PMKSA information and buffer memory; When being initiated to the switching of WiFi Access Network 30, the PMKID in the PMKSA information that generates in the pre-registration process is offered WiFi Access Network 30.WiFi Access Network 30 is used to carry out the pre-registration process to terminal 10, generates PMKSA information and buffer memory; And the PMKID that provides when initiating to switch according to terminal 10, after getting access to the corresponding PMKSA information of self buffer memory, skip the EAP authentication process, directly carry out the 4-Way Handshake process, finish the switching of terminal 10 to the WiFi Access Network.WiMAX Access Network 20 is used to terminal 10 to provide service to the pre-registration of WiFi Access Network 30.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. realize the terminal fast switching method for one kind, it is characterized in that this method comprises:
Terminal is before carrying out from World Interoperability for Microwave Access, WiMax WiMAX Access Network to the switching of adopting wireless fidelity technology WiFi Access Network, carry out the pre-registration of WiFi Access Network by described WiMAX Access Network, generate pairwise master key Security Association PMKSA information and buffer memory;
Described terminal is when being initiated to the switching of WiFi Access Network, and PMKID offers described WiFi Access Network with the sign of the pairwise master key in the PMKSA information that generates in the pre-registration process;
Described WiFi Access Network is according to the PMKID that receives, and after getting access to the corresponding PMKSA information of self buffer memory, skips Extensible Authentication Protocol EAP authentication process, directly carries out the 4-Way Handshake process, finishes the switching of described terminal to the WiFi Access Network.
2. according to the described realization terminal of claim 1 fast switching method, it is characterized in that, carry out in described terminal before the pre-registration of WiFi Access Network, this method further comprises: described terminal is initiated the access procedure to the WiMAX Access Network, and successfully is attached to described WiMAX Access Network.
3. according to claim 1 or 2 described realization terminal fast switching method, it is characterized in that described terminal is carried out the pre-registration of WiFi Access Network by the WiMAX Access Network, is specially:
WiFi signaling forwarding capability SFF entity in described terminal and the WiFi Access Network is set up IP tunnel, and is initiated to the EAP authentication process of WiFi Access Network by described IP tunnel;
Described WiFi SFF entity is forwarded to the EAP authentication message of terminal the authentication and authorization charging aaa server of IWF node IWK;
The aaa server of described IWK is carried out the EAP authentication to terminal, and the master session key MSK that authentication is produced sends to WiFi Access Network and terminal;
Described terminal and WiFi Access Network generate corresponding PMKSA information and buffer memory according to the MSK that receives.
4. according to the described realization terminal of claim 3 fast switching method, it is characterized in that described PMKSA information comprises: the authorization parameter and the local configuration parameter of PMKID, authentication device media access control MAC address, pairwise master key PMK, lifetime, authentication and management agreement AKMP parameter, authentication server regulation.
5. according to claim 1 or 2 described realization terminal fast switching method, it is characterized in that, this method further comprises: described terminal is when being initiated to the switching of WiFi Access Network, and carry out association process between the described WiFi Access Network, and carry the PMKID that generates in the pre-registration process by RSN RSN message and send to described WiFi Access Network.
6. a system that realizes that terminal is switched fast is characterized in that this system comprises: terminal, WiMAX Access Network and WiFi Access Network; Wherein,
Described terminal was used for before the switching of carrying out from the WiMAX Access Network to the WiFi Access Network, carried out the pre-registration of WiFi Access Network by described WiMAX Access Network, generated PMKSA information and buffer memory; When being initiated to the switching of WiFi Access Network, the PMKID in the PMKSA information that generates in the pre-registration process is offered described WiFi Access Network;
Described WiFi Access Network is used to carry out the pre-registration process to described terminal, generates described PMKSA information and buffer memory; And the PMKID that provides when initiating to switch according to described terminal, after getting access to the corresponding PMKSA information of self buffer memory, skip the EAP authentication process, directly carry out the 4-Way Handshake process, finish of the switching of described terminal to the WiFi Access Network;
Described WiMAX Access Network is used to terminal to provide service to the pre-registration of WiFi Access Network.
7. the system of switching fast according to the described realization terminal of claim 6 is characterized in that described terminal is further used for, and before the pre-registration of carrying out the WiFi Access Network, initiates the access procedure to described WiMAX Access Network;
Described WiMAX Access Network is further used for, and carries out the access of described terminal, finishes the success of described terminal and adheres to.
8. according to claim 6 or the quick system of switching of 7 described realization terminals, it is characterized in that described terminal and WiFi Access Network are further used for, the MSK that produces according to authentication in the pre-registration process generates corresponding PMKSA information and buffer memory.
9. according to claim 6 or the quick system of switching of 7 described realization terminals, it is characterized in that described PMKSA information comprises: the authorization parameter and the local configuration parameter of PMKID, authentication device media access control MAC address, PMK, lifetime, authentication and management agreement AKMP parameter, authentication server regulation.
10. according to claim 6 or the quick system of switching of 7 described realization terminals, it is characterized in that, described terminal is further used for, when being initiated to the switching of WiFi Access Network, and carry out association process between the described WiFi Access Network, and carry the PMKID that generates in the pre-registration process by RSN message and send to described WiFi Access Network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101627368A CN101998399A (en) | 2009-08-12 | 2009-08-12 | Method and system for quickly switching terminal |
| PCT/CN2010/074844 WO2011017990A1 (en) | 2009-08-12 | 2010-06-30 | Method and system for implementing fast handover for terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101627368A CN101998399A (en) | 2009-08-12 | 2009-08-12 | Method and system for quickly switching terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101998399A true CN101998399A (en) | 2011-03-30 |
Family
ID=43585934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101627368A Pending CN101998399A (en) | 2009-08-12 | 2009-08-12 | Method and system for quickly switching terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101998399A (en) |
| WO (1) | WO2011017990A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984700A (en) * | 2011-09-05 | 2013-03-20 | 中兴通讯股份有限公司 | Security information storage apparatus, and authentication method and system |
| CN107708163A (en) * | 2017-09-18 | 2018-02-16 | 深圳市信锐网科技术有限公司 | A kind of roving link switching method, mobile terminal, network modules and storage medium |
| CN108235318A (en) * | 2016-12-22 | 2018-06-29 | 华为技术有限公司 | A kind of method and device for reducing terminal access delay |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888941B (en) | 2012-12-20 | 2018-03-06 | 新华三技术有限公司 | The method and device that a kind of wireless network keys are consulted |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212798A (en) * | 2006-12-26 | 2008-07-02 | 中兴通讯股份有限公司 | Pre-authentication process that supports quick switching |
| CN101366292A (en) * | 2006-01-09 | 2009-02-11 | 思科技术公司 | Seamless roaming for dual-mode wimax/wifi stations |
| WO2009084864A1 (en) * | 2007-12-31 | 2009-07-09 | Lg Electronics Inc. | Method for inter rat handover |
-
2009
- 2009-08-12 CN CN2009101627368A patent/CN101998399A/en active Pending
-
2010
- 2010-06-30 WO PCT/CN2010/074844 patent/WO2011017990A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366292A (en) * | 2006-01-09 | 2009-02-11 | 思科技术公司 | Seamless roaming for dual-mode wimax/wifi stations |
| CN101212798A (en) * | 2006-12-26 | 2008-07-02 | 中兴通讯股份有限公司 | Pre-authentication process that supports quick switching |
| WO2009084864A1 (en) * | 2007-12-31 | 2009-07-09 | Lg Electronics Inc. | Method for inter rat handover |
Non-Patent Citations (1)
| Title |
|---|
| 简荣宏等: "《WASN 2006 The 2nd Workshop on Wireless, Ad Hoc, and Sensor Networks》", August 2006 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984700A (en) * | 2011-09-05 | 2013-03-20 | 中兴通讯股份有限公司 | Security information storage apparatus, and authentication method and system |
| CN108235318A (en) * | 2016-12-22 | 2018-06-29 | 华为技术有限公司 | A kind of method and device for reducing terminal access delay |
| CN108235318B (en) * | 2016-12-22 | 2020-10-16 | 华为技术有限公司 | Method and device for reducing terminal access time delay |
| CN107708163A (en) * | 2017-09-18 | 2018-02-16 | 深圳市信锐网科技术有限公司 | A kind of roving link switching method, mobile terminal, network modules and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011017990A1 (en) | 2011-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5376185B2 (en) | HANDOVER METHOD AND HANDOVER DEVICE | |
| US8199720B2 (en) | Method for handover between heterogenous radio access networks | |
| US8910271B2 (en) | System and method for handover between interworking WLAN and EUTRAN access systems | |
| JP4934593B2 (en) | Interworking method and interworking system between cellular network and wireless local area network | |
| JP5211155B2 (en) | MIH pre-authentication | |
| US8462696B2 (en) | Method, radio system, mobile terminal and base station for providing local breakout service | |
| US10419994B2 (en) | Non-access stratum based access method and terminal supporting the same | |
| JP4977665B2 (en) | Communication system and gateway device | |
| US20110063997A1 (en) | Interworking between wimax and 3gpp networks | |
| JP2008514128A (en) | Apparatus and associated method for facilitating fast migration in a network system | |
| WO2008034357A1 (en) | Method and system for capwap intradomain authentication using 802.11r | |
| JP5128678B2 (en) | Method for enabling communication between WiMAX network and 3GPP network, WiMAX communication system and 3GPP communication system | |
| WO2010127597A1 (en) | Handoff method, device and system | |
| Dutta et al. | A framework of media-independent pre-authentication (MPA) for inter-domain handover optimization | |
| CN102026163A (en) | Method and device for selecting access to Internet through wireless fidelity access network | |
| CN101998399A (en) | Method and system for quickly switching terminal | |
| Emmelmann et al. | Moving toward seamless mobility: state of the art and emerging aspects in standardization bodies | |
| US20100118774A1 (en) | Method for changing radio channels, composed network and access router | |
| CN101321395B (en) | Method and system for supporting mobility safety in next generation network | |
| US10595254B2 (en) | Non-access stratum based access method and terminal supporting the same | |
| CN101087242B (en) | Device and method for self enumeration of heterogeneous network in dual stack node | |
| KR100485355B1 (en) | Inter-Distribution system handoff method in WLANs | |
| CN101730040B (en) | Method for cross-network switching session binding and WiMAX connection service network | |
| CN101945391A (en) | Method, device and system for selecting target access network for heterogeneous network intercommunicating entity | |
| KR100623292B1 (en) | Method for handoff of relation from portable internet to cdma2000 network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |